8715680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 22498560

約数和(自身を除く): 13782880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 61, 76, 80, 94, 95, 122, 152, 160, 188, 190, 235, 244, 304, 305, 376, 380, 470, 488, 608, 610, 752, 760, 893, 940, 976, 1159, 1220, 1504, 1520, 1786, 1880, 1952, 2318, 2440, 2867, 3040, 3572, 3760, 4465, 4636, 4880, 5734, 5795, 7144, 7520, 8930, 9272, 9760, 11468, 11590, 14288, 14335, 17860, 18544, 22936, 23180, 28576, 28670, 35720, 37088, 45872, 46360, 54473, 57340, 71440, 91744, 92720, 108946, 114680, 142880, 185440, 217892, 229360, 272365, 435784, 458720, 544730, 871568, 1089460, 1743136, 2178920, 4357840, 8715680]

約数ペア:

[(1, 8715680), (2, 4357840), (4, 2178920), (5, 1743136), (8, 1089460), (10, 871568), (16, 544730), (19, 458720), (20, 435784), (32, 272365), (38, 229360), (40, 217892), (47, 185440), (61, 142880), (76, 114680), (80, 108946), (94, 92720), (95, 91744), (122, 71440), (152, 57340), (160, 54473), (188, 46360), (190, 45872), (235, 37088), (244, 35720), (304, 28670), (305, 28576), (376, 23180), (380, 22936), (470, 18544), (488, 17860), (608, 14335), (610, 14288), (752, 11590), (760, 11468), (893, 9760), (940, 9272), (976, 8930), (1159, 7520), (1220, 7144), (1504, 5795), (1520, 5734), (1786, 4880), (1880, 4636), (1952, 4465), (2318, 3760), (2440, 3572), (2867, 3040)]